In addition to this. Cell phone use in classrooms is now so rampant that the students now think they have a right to use them during class. They are not listening to instruction and directions need to be repeated many times because they were texting, listening to music on their phone playing a game or watching a video or movie. Some students have even taken or made a voice call during class. In this case, the cell phone jammer should be used.
A female teacher told reporters that the school did install a 4G jammer in the dormitory building, which was an act of internal management and was a good thing. He said that most of the time is now smartphones, and that many students spend the night in bed playing an all-nighter, and the next day classes are very unspiritual and affect learning. After installing the jammer, the students no longer stay up to play with the phone, and the second day will be better.
While the U.S. military is unlikely to intentionally attack Russian forces in Syria, the situation highlights the importance of suppressing enemy air defenses—one major tactic U.S. flyers have long relied upon is radar jamming, or saturating enemy radars with “noise” and false signals so that they can’t track and fire upon friendly airplanes. The U.S. Navy has relied on the ALQ-99 jamming system for nearly half a century, even as opposing radars grew in ability. However, by the beginning of the next decade it will begin fielding the superior Next Generation cell phone jammer, boasting significant electronic-attack and signal-intelligence capabilities.
According to this, the larger the headmaster of the affiliated high school of suzhou office anyone miss li reply, school at the weekend for classroom installed mobile phone signal shielding device, including up to three, “blockers only open during the test, in order to prevent the phenomenon of individual students unconsciously, the organization of test specification, guarantee the objective and fair.” She said the school does not encourage students to carry mobile phones in principle, and it also stipulates that mobile phones cannot be used in teaching areas and teaching hours.
A female teacher told reporters that the school did install a cell phone jammer in the dormitory building, which was an act of internal management and was a good thing. He said that most of the time is now smartphones, and that many students spend the night in bed playing an all-nighter, and the next day classes are very unspiritual and affect learning. After installing the jammer, the students no longer stay up to play with the phone, and the second day will be better.